CVE-2025-0520
ShowDoc < 2.8.7 Unauthenticated File Upload Remote Code Execution
- State
- Published
- Severity
- 9.4 Critical
- Published
- Apr 29, 2025
- Updated
- Oct 8, 2026
- Reserved
- Jan 16, 2025
Description
An unrestricted file upload vulnerability in ShowDoc caused by improper validation of file extension allows execution of arbitrary PHP, leading to remote code execution.This issue affects ShowDoc: before 2.8.7.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 9.4 Critical | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L | VulnCheck |
Weaknesses
- CWE-434 Unrestricted Upload of File with Dangerous Type
Affected Products
| Product | Versions |
|---|---|
ShowDocShowDoc |
|
References
- https://github.com/vulhub/vulhub/tree/master/showdoc/CNVD-2020-26585exploit
- https://github.com/star7th/showdoc/pull/1059issue-tracking
- https://www.cnvd.org.cn/flaw/show/CNVD-2020-26585third-party-advisory
- https://www.vulncheck.com/advisories/showdoc-unauthenticated-file-upload-rcethird-party-advisory
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